00355nam a2200097Ia 4500008004100000040001100041100001900052245012800071260004500199300001300244251112s9999||||xx |||||||||||||| ||und|| aCNCLSA aDr. T. Stephen 0aTetrahedron LettersbThe International Journal For the Rapid Publication of Preliminary Communications in Organic Chemistry bThe University Of Chicago PressaChicago aP. 1-640